The signal from the digital amateur television (DATV) transmitter aboard the International Space Station (ISS) cannot be detected on the ground, Amateur Radio on the International Space Station (ARISS) has reported. The unit indicates that it is functioning, however. So far, ARISS has been at a loss to pin down the problem.
“A series of steps are currently being undertaken to try to diagnose the…
Source: ARRL News
Link: Space Station Digital Amateur Television Signal Not Being Seen on the Ground